* {
    margin: 0;
    padding: 0;
    font-size: 20px;
  }
  
  ul, ol, li {
    list-style: none;
  }
  
  a, a:link, a:active, a:hover {
    text-decoration: none;
    color: #333;
  }
  
  input, button, textarea, select {
    outline: none;
  }
  
  button, select {
    cursor: pointer;
  }
  
  img {
    width: 100%;
    height: 100%;
    display: block;
  }
  
  .container {
    width: 1200px;
    margin: 0 auto;
  }
  
  .header {
    height: 60px;
    background-color: #8d1f1f;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
  }
  
  .header > span {
    font-size: 40px;
    font-weight: 700;
    color: #fff;
  }
  
  .header > p {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 30px;
    display: none;
  }
  
  .header > p.active {
    display: block;
  }
  form {
    width: 600px;
    padding: 20px;
    border: 3px solid pink;
    border-radius: 15px;
    margin: 30px auto;
    padding-top: 50px;
    display: flex;
    flex-direction: column;
    position: relative;
  }
   
  form > span {
    position: absolute;
    top: 10px;
    left: 50%;
    width: 400px;
    transform: translateX(-50%);
    color: red;
    text-align: center;
   
    display: none;
  }
   
  form > label {
    height: 50px;
  }
   
  form > label > input {
    width: 70%;
    padding-left: 20px;
    height: 34px;
  }
   
  form > button {
    padding: 5px;
    margin-top: 10px;
  }  